apolaroidofus
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I know that in a reflex arc, the impulse travels from the receptor cells to a sensory neurone to a relay neurone to a motor neurone to an effector, but what is its route when it is just a normal response (eg seeing a pen and then picking it up)? Thank you!
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summerberry19
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Reflex arc
Stimulus - receptor cells - sensory neurone - spinal cord - motor neurone - effector - response

Normal response
Stimulus - receptor cells - sensory neurone - spinal cord - brain - spinal cord - motor neurone - effector - response

Basically, in a reflex arc, the impulse doesn’t travel to the brain
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apolaroidofus
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(Original post by summerberry19)
Reflex arc
Stimulus - receptor cells - sensory neurone - spinal cord - motor neurone - effector - response

Normal response
Stimulus - receptor cells - sensory neurone - spinal cord - brain - spinal cord - motor neurone - effector - response

Basically, in a reflex arc, the impulse doesn’t travel to the brain
perfect thank you!! x
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summerberry19
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(Original post by apolaroidofus)
perfect thank you!! x
No worries
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